SPECS / COMPARISON

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Manufacturer-sourced values side by side. No performance equivalence or ranking is applied across different machine classes.

Feature	Wacker Neuson WL38Dozer	Komatsu D31PX-21 KOMSTAT IIDozer
Type	Wheel Loader	Crawler Dozer
Horsepower	55.2 kW	55.9 kW
Weight	4200.3 kg	—
Engine Model	TCD 2.9 L4	SAA4D102E-2
No Of Cylinders	4	—
Displacement	2215.5 cc	3932.9 cc
Alternator	85 amps	—
Operating Voltage	12 V	—
Rated Speed	2600 RPM	—
Gross Power	55.2 kW	—
Fuel Capacity	65.1 l	165.0 l
Pump Flow	55.3 LPM	—
Operating Weight	4200.3 kg	7652.1 kg
Bucket Capacity (Heaped)	0.6 m³	—
Turning Radius	152.4 cm	—
Wheelbase	213.4 cm	—
Cab Height	243.8 cm	271.3 cm
Overall Length	426.7 cm	—
Ground Clearance	30.5 cm	39.6 cm
Width Over Tires	152.4 cm	—
Tire Size	15 /55-18 EM ET 0	—
Engine Manufacturer	—	Komatsu
Net Power	—	55.9 kW
Aspiration	—	Turbocharged
Number of Cylinders	—	4
Transmission Type	—	Dual Power Shift
Number of Forward Gears	—	3
Number of Reverse Gears	—	3
Max Speed Forward	—	8.5 km/h
Max Speed Reverse	—	8.5 km/h
Ground Pressure	—	0.3 bar
Engine Oil Capacity	—	12.5 l
Cooling System Capacity	—	26.9 l
Hydraulic Capacity	—	46.9 l
Final Drives Capacity	—	3.4 l
Relief Valve Pressure	—	206.2 bar
Width Over Track	—	228.6 cm
Length Overall	—	402.3 cm
Track Gauge	—	167.6 cm
Ground Contact Area	—	66548.0 cm³
No of Shoes Per Side	—	40
No of Track Rollers Per Side	—	6
Shoe Size	—	61.0 cm
Weight (Operating)	—	7652.1 kg
Track Pitch	—	165.1 cm
Source	heavyequipments.net archive (imported 2026-10)	heavyequipments.net archive (imported 2026-10)

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Side-by-side specification comparisons generated from the manufacturer-sourced model files. · 7,051